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increase root partition

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Operating Systems Linux Red Hat increase root partition
# 8  
Old 06-14-2011
Code:
lvdisplay
  --- Logical volume ---
  LV Name                /dev/vg0/lvm
  VG Name                vg0
  LV UUID                4q8Yrk-wkJh-cxyY-rVil-9nNs-Td3i-ZoMfey
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                10.00 GB
  Current LE             2560
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

[root@UPID-RHEL7 ~]#
[root@UPID-RHEL7 ~]# vgdisplay
  --- Volume group ---
  VG Name               vg0
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  2
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               1
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               301.43 GB
  PE Size               4.00 MB
  Total PE              77165
  Alloc PE / Size       2560 / 10.00 GB
  Free  PE / Size       74605 / 291.43 GB
  VG UUID               Jpz5kZ-iaJd-HedN-Ehab-oQgX-XRXL-eQKOCy

[root@UPID-RHEL7 ~]#
[root@UPID-RHEL7 ~]# pvdisplay
  --- Physical volume ---
  PV Name               /dev/sda6
  VG Name               vg0
  PV Size               301.43 GB / not usable 2.90 MB
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              77165
  Free PE               74605
  Allocated PE          2560
  PV UUID               Y79DFU-DlDa-jcvZ-1vcS-aufc-8J00-hUAVUs

[root@UPID-RHEL7 ~]#
[root@UPID-RHEL7 ~]# fdisk -l

Disk /dev/sda: 437.9 GB, 437998583808 bytes
255 heads, 63 sectors/track, 53250 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1         319     2562336   83  Linux
/dev/sda2             320       10581    82429515   83  Linux
/dev/sda3           10582       12684    16892347+  82  Linux swap / Solaris
/dev/sda4           12685       53250   325846395    5  Extended
/dev/sda5           12685       13901     9775521   83  Linux
/dev/sda6           13902       53250   316070811   8e  Linux LVM

Last edited by pludi; 06-14-2011 at 05:21 PM..
# 9  
Old 06-15-2011
Your root partition is not part of an LVM so you can't directly attach your volume named "lvm".

It's possible to migrate your information from a standard root partition to a logical volume. You'll just need a large enough logical volume (77 GBs >)

Keep in mind that downtime is required as you cannot perform it while / is mounted.

Here's a quick guide for RHEL-based systems: Convert root filesystem to LVM
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